1,1-Dichloroethane
South Huntington Water Department
1,1-Dichloroethane is used in industrial chemical synthesis; in plastics, paint, varnish and finish removers; and as a pesticide. It can cause cancer.
23
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 2.05 ppb | 4 | 3 | ND - 4.10 ppb |
| 2014 | 1.000 ppb | 8 | 3 | ND - 2.00 ppb |
| 2015 | 1.55 ppb | 8 | 7 | ND - 3.10 ppb |
| 2016 | 1.55 ppb | 1 | 1 | ND - 3.10 ppb |
| 2017 | 1.10 ppb | 1 | 1 | ND - 2.20 ppb |
| 2018 | 1.75 ppb | 1 | 1 | ND - 3.50 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 1,1-dichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-11-19 | 78156 | 0.180 ppb |
| 2013-11-19 | 90027 | 0.110 ppb |
| 2013-11-20 | 78142 | 0.110 ppb |
| 2013-11-20 | 78137 | ND |
| 2014-04-15 | 78121 042014 | 0.160 ppb |
| 2014-05-12 | UCMR3 EP016 | ND |
| 2014-05-12 | UCMR3 EP013 | ND |
| 2014-05-12 | UCMR3 EP012 | ND |
| 2014-05-14 | 78137 05/14/2014 | ND |
| 2014-05-14 | UCMR3 EP007 | 0.0870 ppb |
| 2014-05-16 | UCMR3 EP015 | ND |
| 2014-09-17 | 1.000 ppb | |
| 2015-01-23 | 78132 012015 | 0.0310 ppb |
| 2015-01-23 | 78148 012015 | ND |
| 2015-01-26 | 78152 012015 | 0.230 ppb |
| 2015-04-23 | 78130 42015 | 0.190 ppb |
| 2015-07-27 | 78132 72015 | 0.410 ppb |
| 2015-07-27 | 78148 72015 | 0.0470 ppb |
| 2015-10-21 | 78130 1015 | 0.880 ppb |
| 2015-10-23 | 1.55 ppb | |
| 2016-09-06 | 1.55 ppb | |
| 2017-10-05 | 1.10 ppb | |
| 2018-09-05 | 1.75 ppb |